KLK2 and prostate cancer: We analyzed 14 additional genes, including the AR-activated genes PSA, FKBP51, ORM1, STAG, Nkx3.1, FASN, AQP3, KLK2, and UGT2B; the AR-repressed genes DKK and FST; and the castration-resistant prostate cancer AR-regulated genes CDC20, CDK1, and UBE2C.